Finding the Fourth Proportional to 3,822.62, 5,724.18 and 3,501.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,822.62 : 5,724.18 = 3,501.86 : x
2. Step 2: Convert to fraction form
   3,822.62/5,724.18 = 3,501.86/x
3. Step 3: Cross multiply
   3,822.62x = 5,724.18 × 3,501.86
4. Step 4: Simplify right side
   3,822.62x = 20,045,276.97
5. Step 5: Solve for x
   x = 20,045,276.97/3,822.62
6. Step 6: Final answer
   x = 5,243.86